1 = 2

The person before made a mistake in their proof.
1. x = y
2. xy = y^2
3. xy - x^2 = y^2 - x^2
4. x(y - x) = (y + x)(y - x)
So far so good.
4.5. x = (y + x)(y - x)/(y - x) is what they did to get to step 5, which says:
5. x = y + x

This is wrong though. since x = y, y -x = 0, and so you can't divide by y - x.

Anyone who says 1 = 2 is wrong.

1 != 2

by mathisfun March 17, 2008

1/2

People that are saying in chats are just trying to tell you that they only have a half brain cell left.

Person 1: Hey, wanna play something?
Person 2: (1/2)
Person1: I'm very sorry to hear that my friend.

by Cypoos February 16, 2022

1 2

it means "want to", use to type to chat w/ ppl on yahoo, chatroulette, .....

i 1 2 p = i want to pee :))

by sebastian vuong July 28, 2010

1-2

Verb: the act of giving oral sex to someone

Noun: a person that gives blow jobs

Jaunito: yo man how was last night?

Pedro: man it was great!!

Juanito: why what happened?

Pedro: I got a 1-2 from hoedini

Juanito:badass

by random boner club February 4, 2010

<1+2

The same as
<3
lessthanthree
all that emo shabb

Oh Wife!!! I <1+2 you!!

by Stillnotperfect +) November 11, 2006

1 = 2

1. x = y
2. xy = y^2
3. xy - x^2 = y^2 - x^2
4. x(y - x) = (y + x)(y - x)
5. x = y + x
6. x = x + x
7. x = 2x
8. 1 = 2

QED

As proven, 1 = 2, thus 0 = 1, etc. And so for any number i, there is an equivalent j that is not equal to i.

This is further explained in the Identity Theft Theorem.

by SAH aka the GSH October 17, 2006

The 1-2

The 1-2 is when you punch somebody once with one hand, and then quickly punch them again with the other hand. This is also known as the 1-2 mayweather, named after the UFC fighter.

I got into a fight yesterday and he wasn't covering himself so I hit him with the 1-2 and he went down.

by oblockshooter November 12, 2018